So I've noticed that when I begin to accelerate from a dead stop I feel a slight vibration from my jeep. Its very mild and felt mostly in the seat. It happens at about 10mph right before the car shifts to the second gear.

Anyone else notice the same thing? I have a 2012 Limited 4X4 3.6L.

Also, I feel a slight vibration from time to time when I am on the accelerator cruising the highway at about 60-70mph.